CN116359092A - Water permeability testing method for permeable concrete pavement - Google Patents
Water permeability testing method for permeable concrete pavement Download PDFInfo
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- CN116359092A CN116359092A CN202310273052.5A CN202310273052A CN116359092A CN 116359092 A CN116359092 A CN 116359092A CN 202310273052 A CN202310273052 A CN 202310273052A CN 116359092 A CN116359092 A CN 116359092A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 180
- 230000035699 permeability Effects 0.000 title claims abstract description 48
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 230000008859 change Effects 0.000 claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000012935 Averaging Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 4
- 238000010998 test method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000013459 approach Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011041 water permeability test Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The application relates to the technical field of concrete pavement detection, in particular to a water permeability testing method for a water permeable concrete pavement, which comprises the following steps: s1, preparing, namely cleaning a pavement and preparing detection equipment; s2, starting a test, placing the detection equipment on a road surface, sealing the connection between the detection equipment and the road surface, and reducing lateral water seepage; s3, observing a numerical value, detecting the water level change in the equipment in unit time, and recording; s4, calculating the water permeability according to the water level change in unit time, and averaging a plurality of groups of data. The application has the effect of improving the rate of permeating water detection precision.
Description
Technical Field
The application relates to the technical field of concrete pavement detection, in particular to a water permeability testing method for a water permeable concrete pavement.
Background
At present, the permeable concrete pavement is a pavement with communicated pores, which is manufactured by adopting single or discontinuous graded aggregate, adhesive, water, additive and the like according to a certain proportion through a specific molding process. The concrete pavement has the advantages of water permeation, water retention, reduction of runoff in rainy days, flood control and drainage, purification of water quality, sound absorption and noise reduction, alleviation of urban heat island effect and the like, and the permeable concrete pavement generally contains 15-25% of through holes, and the permeable capacity can generally reach 200L/(m 2. Min). The use effect of the permeable concrete pavement is directly related to the permeability of the permeable concrete pavement, so that the detection of the permeability of the concrete pavement is very important.
In the prior art, when the water permeability detection method of concrete is adopted, the general steps comprise cleaning a pavement to be detected, placing a bucket with scales on the pavement, injecting quantitative water into the bucket, observing the water permeability and time of the pavement within the diameter range of the bucket, and calculating the water permeability according to data.
In the process of realizing the water bucket, the inventor finds that at least the following problems exist in the technology, namely, the water bucket is directly placed on the road surface, water easily flows to the periphery along a gap where the road surface is abutted with the side wall of the water bucket, and the detection of the water permeability is inaccurate.
Disclosure of Invention
In order to improve the detection accuracy of the water permeability, the application provides a water permeability test method for a water permeable concrete pavement.
The application provides a permeable concrete pavement permeability test method, which adopts the following technical scheme:
a method for testing the water permeability of a water permeable concrete pavement comprises the following steps:
s1, preparing, namely cleaning a pavement and preparing detection equipment;
s2, starting a test, placing the detection equipment on a road surface, sealing the connection between the detection equipment and the road surface, and reducing lateral water seepage;
s3, observing a numerical value, detecting the water level change in the equipment in unit time, and recording;
s4, calculating the water permeability according to the water level change in unit time, and averaging a plurality of groups of data.
By adopting the technical scheme, when the water permeability is detected, firstly, the road surface is cleaned, the detection of the water permeability influenced by sundries is reduced, then the detection equipment is placed on the road surface, the connection between the detection equipment and the road surface is sealed, the lateral water seepage is reduced, then water is added into the detection equipment, the change of the water level is recorded at the same time interval, and then the water permeability is calculated according to the data; through being connected between sealed check out test set and the road surface, reduce the side direction infiltration, and then reduce the infiltration in the non-effective area, the testing result that leads to is inaccurate, and then makes the detection of the rate of permeating water more accurate.
Optionally, in step S2, the detecting device is adjusted during the erection process, so that the water level and the liquid level of the detecting device are parallel to the plane where the scale is located.
Through adopting above-mentioned technical scheme, the plane parallel at water level liquid level and scale place can reduce the road surface and have the slope, and the inaccuracy of scale reading, and then reduce the inaccuracy of data, reduce the error for the detection of the rate of permeating water is more accurate.
Optionally, in step S2, the detecting device includes a base, a fixing mechanism, a leveling mechanism, a tub, and a scale, where the fixing mechanism is disposed on the base and is used to stabilize the base, and the tub is rotatably disposed on the base; the leveling mechanism is arranged on the base, the leveling mechanism is connected with the water containing bucket and drives the water containing bucket to be vertical, and the graduated scale is arranged on the water containing bucket and used for observing the water level.
By adopting the technical scheme, when the water permeability of the road surface is detected, the base is firstly placed on the road surface, then the base is firmly fixed on the road surface by the fixing mechanism, then the leveling mechanism drives the water containing bucket to freely rotate, the leveling mechanism enables the water containing bucket to be in a vertical state and limits the water containing bucket to rotate, and the graduated scale rotates along with the water containing bucket; the detection equipment is simple in structure and convenient to operate, the water containing barrel is always in a vertical state, the deviation of reading can be reduced, and then data are accurate, so that the water permeability is detected more accurately.
Optionally, a sliding hole is formed in the base, the sliding hole is formed in the vertical direction, the leveling mechanism comprises a fixed ring, a driving assembly and a fixed assembly, the fixed ring slides in the sliding hole, and the water bucket is rotationally connected to the fixed ring; the driving assembly is arranged on the base, is connected with the fixed ring and drives the fixed ring to slide; the fixing assembly is arranged on the fixing ring and is used for fixing the water bucket.
Through adopting the technical scheme, after the base is fixed by the fixing mechanism, the water bucket is influenced by the weight of the base to enable the water bucket to be in a vertical state, then the water bucket is connected with the fixing ring by the fixing component, relative rotation of the water bucket and the fixing ring is reduced, then the water bucket is driven by the driving component to approach to the road surface, the water bucket is abutted to the road surface, a certain amount of water is injected into the water bucket, the water level is recorded, then the water level change is observed at regular time, data are recorded, and the water permeability is calculated according to the diameter, the water level and the time of the water bucket; the leveling mechanism that sets up simple structure can reduce the in-process of work through the fixed subassembly that sets up simultaneously, and external environmental factor leads to the fact the influence to the stability of flourishing cask, and the distance and the degree of sealing of flourishing cask and road surface are convenient for be adjusted to the drive assembly of setting, and then make and detect more conveniently, and the result is more accurate.
Optionally, the leveling mechanism further comprises a gravity ring, wherein the gravity ring is sleeved on the water containing bucket and is positioned at one end of the water containing bucket, which is close to the ground.
Through adopting above-mentioned technical scheme, the center of gravity that the center of gravity ring made the flourishing cask is located the flourishing cask and is close to one side on ground, and then the rotation of the flourishing cask of being convenient for can reduce the probability that the flourishing cask emptyd simultaneously for equipment's stability obtains improving.
Optionally, the water containing barrel is provided with a sealing component, the sealing component comprises a sealing ring and a supporting ring, the supporting ring is arranged at one end of the water containing barrel, which is close to the ground, the sealing ring is sleeved on the supporting ring and extends to one end of the supporting ring, which is far away from the supporting ring, and the sealing ring can elastically deform along the length direction of the water containing barrel.
Through adopting above-mentioned technical scheme, when driving the flourishing cask with drive assembly and being close to towards the road surface, the sealing ring at first with road surface butt, then continue to drive the flourishing cask with drive assembly and slide, the sealing ring takes place elastic deformation for the clearance between flourishing cask and the road surface is sealed, reduces the side direction infiltration, and simultaneously the sealing ring is in elastic deformation, and the outside deformation towards the support ring reduces the diameter that the sealing ring influences the flourishing cask towards inboard deformation, makes the testing result more accurate.
Optionally, two graduated scales are provided, and the two graduated scales are respectively positioned at two sides of the rotation direction of the water containing bucket.
By adopting the technical scheme, two numerical values are recorded, and when the water permeability is calculated, the average value of the two readings is calculated; the manual reading error can be reduced, so that the calculation of the water permeability is more accurate.
Optionally, two graduated scales are all slipped and connected on the flourishing water bucket and follow the length direction of flourishing water bucket is slipped, the graduated scale be close to one end of sealing ring with the sealing ring is connected and is slipped along with the deformation of sealing ring.
Through adopting above-mentioned technical scheme, when the road surface exists certain slope, the elastic displacement of sealing ring is different, and then makes the relative height difference of two scales, and the reading of two scales is different, and two scales that set up make the reading of two readings more accurate, can reduce the change of water level and the inconsistent condition of actual change appear simultaneously, and then make the change of water level more accurate for the accuracy rate obtains improving.
Optionally, a monitoring mechanism is arranged on the graduated scale, the monitoring mechanism comprises a processor, a temperature measuring piece, a timing piece and a fixed point component, the processor is arranged on the base, the temperature measuring piece is arranged on the base and transmits a temperature signal to the processor, the fixed point component is arranged on the graduated scale and is used for monitoring the change of the water level and transmitting the water level signal to the processor; the timing piece is arranged on the base, is electrically connected with the fixed point component and transmits a time signal to the processor when the fixed point component is triggered.
By adopting the technical scheme, after the water containing bucket is abutted against the road surface, a certain amount of water is injected into the water containing bucket, the timing piece calculates the water permeability rate, the temperature measuring piece counts the temperature and transmits the temperature to the processor, the processor records the data, and calculates the water permeability rate by classifying and counting the water level change rate and the water level change duration under the same temperature; the accuracy of water permeability calculation can be further improved by controlling the variables.
Optionally, the fixed point subassembly includes sensor and trigger piece, the trigger piece floats on the surface of water, be provided with a plurality of on the scale the sensor just follows the length direction equidistant setting of scale, the trigger piece passes through when the sensor, the sensor sends contact signal for the treater.
By adopting the technical scheme, the trigger piece descends along the water containing barrel along with the change of the water level, when the trigger piece passes through the sensor, the sensor transmits a signal to the processor, and the processor counts the difference between the temperature at the moment and the last time of triggering; the fixed point subassembly simple structure of setting can fixed point record data simultaneously, does not need artifical the participation, and then reduces the error that artificial reading, calculation caused for the detection of the rate of permeating water is more accurate.
In summary, the present application includes the following beneficial technical effects:
1. when the water permeability is detected, firstly cleaning a road surface, reducing the influence of sundries on the detection of the water permeability, then placing detection equipment on the road surface, sealing the connection between the detection equipment and the road surface, reducing lateral water seepage, adding water into the detection equipment, recording the change of the water level at the same time interval, and calculating the water permeability according to the data; the lateral water seepage is reduced through the connection between the sealing detection equipment and the pavement, so that the water seepage in a non-effective area is reduced, the detection result is inaccurate, and the detection of the water seepage rate is more accurate;
2. when the driving assembly drives the water containing barrel to approach to the road surface, the sealing ring is firstly abutted against the road surface, then the driving assembly is used for driving the water containing barrel to slide, the sealing ring is elastically deformed, so that a gap between the water containing barrel and the road surface is sealed, lateral water seepage is reduced, meanwhile, when the sealing ring is elastically deformed, the sealing ring deforms towards the outer side of the supporting ring, the diameter of the water containing barrel influenced by the deformation of the sealing ring towards the inner side is reduced, and the detection result is more accurate;
3. when a certain gradient exists on the road surface, the elastic displacement of the sealing ring is different, so that the relative heights of the two graduated scales are different, the readings of the two graduated scales are different, the two graduated scales are arranged to enable the two readings to be more accurately read, meanwhile, the situation that the change of the water level is inconsistent with the actual change can be reduced, the change of the water level is more accurate, and the accuracy is improved;
4. the trigger piece descends along the water containing barrel along with the change of the water level, when the trigger piece passes through the sensor, the sensor transmits signals to the processor, and the processor counts the difference between the temperature at the moment and the last time of triggering; the fixed point subassembly simple structure of setting can fixed point record data simultaneously, does not need artifical the participation, and then reduces the error that artificial reading, calculation caused for the detection of the rate of permeating water is more accurate.
Drawings
FIG. 1 is a schematic structural diagram of a detection device according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a fixing mechanism according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a driving assembly according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural view of a transmission assembly according to an embodiment of the present application;
FIG. 5 is an enlarged view of A in FIG. 4;
FIG. 6 is a schematic structural view of a leveling mechanism according to an embodiment of the present application;
FIG. 7 is a schematic structural view of a seal assembly according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a pointing device according to an embodiment of the present application.
Reference numerals: 100. a base; 110. a sliding hole; 200. a fixing mechanism; 210. a mounting ring; 220. a gear ring; 230. rotating the gear; 240. a rotating block; 250. a support screw; 260. a fixing plate; 261. penetrating holes; 270. a support base; 280. a power assembly; 281. a driving motor; 282. a drive gear; 300. a leveling mechanism; 310. a fixing ring; 311. a slip hole; 312. a limit groove; 320. a drive assembly; 321. a cylinder; 322. a transmission rod; 330. a fixing assembly; 331. a fixed rod; 332. a clamping plate; 333. a telescopic spring; 334. a rotating motor; 335. a cam; 336. a clamping ring; 340. a heavy core ring; 350. a sealing assembly; 351. a seal ring; 352. a support ring; 360. a rotating shaft; 370. a transmission assembly; 371. a rod is penetrated; 372. an extension plate; 373. a slip ring; 374. a guide rod; 380. a connecting block; 381. a clamping groove; 400. a water tub; 500. a graduated scale; 510. scale marks; 520. an observation groove; 600. a monitoring mechanism; 610. a processor; 620. a temperature measuring member; 630. a timing member; 640. a fixed point component; 641. a sensor; 642. a trigger piece; 700. and a universal wheel.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-8.
The embodiment of the application discloses a method for testing the water permeability of a water permeable concrete pavement.
The method for testing the water permeability of the water permeable concrete pavement comprises the following steps of:
s1, preparing, namely firstly defining a detection area on a pavement, cleaning sundries on the surface of the pavement by using a dust collector, taking out detection equipment, and cleaning the detection equipment; s2, starting a test, placing the detection equipment on a road surface, enabling the detection equipment to be in contact with the road surface, and then sealing the connection between the detection equipment and the road surface to reduce lateral water seepage; s3, observing a numerical value, detecting the water level change in the equipment in unit time, and recording; s4, calculating the water permeability according to the water level change in unit time, and averaging a plurality of groups of data.
Referring to fig. 1 and 2, the inspection apparatus includes a base 100, the base 100 having a plate-shaped structure, four universal wheels 700 rotatably coupled to the base 100, the four universal wheels 700 being respectively located at four corners of the base 100; the side wall of the base 100, on which the universal wheels 700 are arranged, is provided with a fixing mechanism 200, the fixing mechanism 200 comprises a mounting ring 210 fixedly connected to the side wall of the base 100, which is close to the road surface, the mounting ring 210 is rotatably connected with a gear ring 220, the gear ring 220 is an inner gear ring 220, four rotating gears 230 are meshed with the gear ring 220, and the four rotating gears 230 respectively correspond to the four universal wheels 700; the four rotating gears 230 are fixedly connected with rotating blocks 240, and the rotating blocks 240 are rotatably connected to the mounting ring 210; the rotating block 240 is in threaded connection with a supporting screw 250, and one end, far away from the base 100, of the supporting screw 250 is fixedly connected with a supporting seat 270; the four supporting screws 250 are connected with a fixed plate 260 together, and the fixed plate 260 is provided with a penetrating hole 261; the base 100 is provided with a power assembly 280, the power assembly 280 comprises a driving motor 281 fixedly connected to the base 100, an output shaft of the driving motor 281 is connected with a driving gear 282 in a key manner, and the driving gear 282 is meshed with the gear ring 220. The driving motor 281 is started, the driving motor 281 drives the driving gear 282 to rotate, the driving gear 282 drives the gear ring 220 to rotate, the gear ring 220 drives the rotating gear 230 to rotate, the rotating gear 230 drives the rotating block 240 to rotate, the rotating block 240 drives the supporting screw 250 to slide, and the supporting screw 250 drives the supporting block to abut against a road surface.
Referring to fig. 3, a leveling mechanism 300 is provided on a base 100, the leveling mechanism 300 includes a fixed ring 310, a sliding hole 110 is provided on the base 100, the sliding hole 110 is provided along a vertical direction, and the fixed ring 310 is slidably connected in the sliding hole 110; the inner wall of the fixed ring 310 is rotatably connected with two rotating shafts 360, one end, close to each other, of the two rotating shafts 360 is fixedly connected with a connecting block 380, the two connecting blocks 380 are fixedly connected with a water containing bucket 400 together, and the water containing bucket 400 can pass through the penetrating hole 261 to be abutted with a road surface.
Referring to fig. 4, 5 and 6, a sliding hole 311 is formed in a side wall of the fixed ring 310, which is close to the rotating shaft 360, a fixed component 330 is arranged on the fixed ring 310, the fixed component 330 comprises a fixed rod 331 which is connected in the sliding hole 311 in a sliding manner, a limit groove 312 is formed in one end, which is far away from the water containing barrel 400, of the sliding hole 311, a clamping plate 332 is connected in the limit groove 312 in a sliding manner, and the clamping plate 332 is fixedly connected with the fixed rod 331; the end of the clamping plate 332, which is far away from the fixed rod 331, is fixedly connected with a telescopic spring 333, and the end of the telescopic spring 333, which is far away from the clamping plate 332, is fixedly connected with the bottom of the limiting groove 312 and pulls the clamping plate 332 to slide in a direction far away from the water containing barrel 400; a rotating motor 334 is fixedly connected in the limiting groove 312, a cam 335 is fixedly connected to an output shaft of the rotating motor 334, and the cam 335 is abutted with the clamping plate 332 and drives the clamping plate 332 to approach the water containing bucket 400; one end of the fixed rod 331, which is far away from the clamping plate 332, is fixedly connected with a clamping ring 336, clamping grooves 381 are formed in the side walls, which are away from each other, of the two connecting blocks 380, the clamping grooves 381 are annular grooves and concentric with the rotating shaft 360, and the clamping ring 336 is inserted into the clamping grooves 381.
Referring to fig. 3, a driving assembly 320 is disposed on a side wall of the base 100 far away from the universal wheel 700, the driving assembly 320 includes two cylinders 321 fixedly connected with the base 100 far away from the side wall of the universal wheel 700, a driving rod 322 is fixedly connected with a piston rod of each cylinder 321, an axis of each driving rod 322 is disposed along a vertical direction and parallel to an axis of each cylinder 321, and each driving rod 322 is connected with the corresponding fixing ring 310 and drives the corresponding fixing ring 310 to slide.
Referring to fig. 4 and 7, one end of the tub 400 near the road surface is fixedly connected with a centering ring 340, and the centering ring 340 is conical and fixedly connected to the outer sidewall of the tub 400; the tub 400 is provided with a sealing assembly 350, the sealing assembly 350 includes a support ring 352 fixedly connected to one end of the tub 400 near a road surface, and an inner wall of the support ring 352 is flush with an inner wall of the tub 400; the end of the water holding barrel 400 close to the road surface is fixedly connected with a sealing ring 351, an air holding cavity is formed in the sealing ring 351 and is filled with air, the vertical section of the sealing ring 351 is rectangular, and the sealing ring 351 is abutted with the outer side wall of the supporting ring 352 and extends to the end of the supporting ring 352 far away from the water holding barrel 400; the end of the sealing ring 351, which is far away from the water containing barrel 400, is provided with a transmission assembly 370, the transmission assembly 370 comprises two extension plates 372 fixedly connected to the end of the sealing ring 351, which is far away from the water containing barrel 400, the two extension plates 372 are respectively positioned at two sides of the rotation axis 360 of the water containing barrel 400 and are symmetrically arranged, a penetrating rod 371 is fixedly connected to the extension plates 372, the penetrating rod 371 penetrates through the centering ring 340 and is in sliding connection with the centering ring 340, and the end of the penetrating rod 371, which is far away from the extension plates 372, is fixedly connected with a graduated scale 500; the graduated scale 500 is attached to the tub 400, two sides of the graduated scale are fixedly connected with sliding rings 373 respectively, guide rods 374 are arranged in the sliding rings 373 in a penetrating manner, the guide rods 374 are fixedly connected to the outer side wall of the tub 400, and the axis of the guide rods 374 is parallel to the axis of the tub 400.
Referring to fig. 4 and 8, the scale 500 is provided with scales, the scale 500 is provided with an observation groove 520, and the observation groove 520 is positioned at one side of the scales and is used for observing the water level of the tub 400; the graduated scale 500 is provided with a monitoring mechanism 600, the monitoring mechanism 600 comprises a fixed point component 640, the fixed point component 640 comprises a plurality of sensors 641 fixedly connected to the graduated scale 500, the plurality of sensors 641 are all positioned in the observation groove 520 and face the water containing barrel 400, the plurality of sensors 641 are arranged at equal intervals along the length direction of the observation groove 520 and correspond to the graduation marks 510, and the sensors 641 are proximity switches; two trigger pieces 642 float in the tub 400, and the trigger pieces 642 float on the water surface along the inner wall of the tub 400 and correspond to the positions of the observation grooves 520.
Referring to fig. 1 and 3, a temperature measuring part 620 is provided on a base 100, the temperature measuring part 620 is an electric thermometer and is used for detecting an external temperature, a timing part 630 is provided on the base 100, and the timing part 630 is a chronograph; the base 100 is fixedly connected with a processor 610, the processor 610 is electrically connected with a plurality of sensors 641, and the processor 610 is electrically connected with a timing element 630 and a temperature measuring element 620; inputting an operation and screening program in the processor 610 in advance, and inputting the interval between the sensors 641, the inner diameter of the tub 400 into the processor 610; after each time the trigger piece 642 triggers the sensor 641, the sensor 641 transmits a signal to the processor 610 and controls the processor 610 to record the temperature signal and the time signal at that time; the sensor 641 screens data of the same temperature according to a program, calculates the water permeability of the concrete pavement in unit time, and calculates an average value; or the data recorded in the processor 610 is derived, and appropriate data is selected for calculation of the water permeability and averaging according to the method of controlling the variables.
The implementation principle of the permeable concrete pavement permeability test method of the embodiment of the application is as follows: firstly, cleaning a road surface to be detected, then pushing the base 100 to slide to the road surface to be detected, starting the driving motor 281, driving the driving motor 281 to drive the driving gear 282 to rotate, driving the fluted disc 282 to drive the rotating gear 230 to rotate, driving the supporting screw 250 to slide by the rotating gear 230, driving the supporting seat 270 to abut against the road surface by the supporting screw 250, and separating the universal wheel 700 from the road surface; the water bucket 400 is influenced by the gravity ring, the water bucket 400 is in a vertical state, then the rotating motor 334 is started, the rotating motor 334 drives the cam 335 to rotate, the cam 335 drives the clamping plate 332 to slide, the clamping plate 332 drives the clamping ring 336 on the fixing rod 331 to be clamped in the clamping groove 381, and the water bucket 400 is limited to rotate.
Then, starting the air cylinder 321, enabling the air cylinder 321 to drive the transmission rod 322 to slide, enabling the transmission rod 322 to drive the fixed ring 310 to approach towards the road surface, enabling the fixed ring 310 to drive the water containing barrel 400 to approach towards the road surface, enabling the sealing ring 351 on the water containing barrel 400 to abut against the road surface, enabling the sealing ring 351 to elastically deform and enabling the extension plate 372 to slide, enabling the extension plate 372 to drive the penetrating rod 371 to slide, enabling the penetrating rod 371 to drive the graduated scale 500 to slide relative to the water containing barrel 400, and stopping the air cylinder 321; then filling a certain amount of water into the tub 400 and recording the water level; as the water level changes, the trigger plate 642 passes the sensor 641, the sensor 641 transmits a signal to the processor 610, and the processor 610 records a temperature signal, a time signal and a water level signal; the processor 610 then screens the data or derives data from the processor 610, screens it manually, and calculates the water permeability by a controlled variable method and calculates the average value of the water permeability.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. The method for testing the water permeability of the water permeable concrete pavement is characterized by comprising the following steps of:
s1, preparing, namely cleaning a pavement and preparing detection equipment;
s2, starting a test, placing the detection equipment on a road surface, sealing the connection between the detection equipment and the road surface, and reducing lateral water seepage;
s3, observing a numerical value, detecting the water level change in the equipment in unit time, and recording;
s4, calculating the water permeability according to the water level change in unit time, and averaging a plurality of groups of data.
2. The method for testing the water permeability of the permeable concrete pavement according to claim 1, wherein in the step S2, the detection equipment is adjusted in the erection process, so that the water level and the liquid level of the detection equipment are in a parallel state with the plane where the scales are located.
3. The method for testing the water permeability of the permeable concrete pavement according to claim 1, wherein in the step S2, the detection device comprises a base (100), a fixing mechanism (200), a leveling mechanism (300), a water bucket (400) and a graduated scale (500), wherein the fixing mechanism (200) is arranged on the base (100) and is used for stabilizing the base (100), and the water bucket (400) is rotatably arranged on the base (100); the leveling mechanism (300) is arranged on the base (100), the leveling mechanism (300) is connected with the water containing barrel (400) and drives the water containing barrel (400) to be vertical, and the graduated scale (500) is arranged on the water containing barrel (400) and used for observing the water level.
4. A method for testing the water permeability of a permeable concrete pavement according to claim 3, wherein a sliding hole (110) is formed in the base (100), the sliding hole (110) is formed in a vertical direction, the leveling mechanism (300) comprises a fixed ring (310), a driving assembly (320) and a fixed assembly (330), the fixed ring (310) slides in the sliding hole (110), and the water bucket (400) is rotatably connected to the fixed ring (310); the driving assembly (320) is arranged on the base (100), and the driving assembly (320) is connected with the fixed ring (310) and drives the fixed ring (310) to slide; the fixing assembly (330) is disposed on the fixing ring (310), and the fixing assembly (330) is used for fixing the tub (400).
5. The method for testing the water permeability of the permeable concrete pavement according to claim 4, wherein the leveling mechanism (300) further comprises a centering ring (340), and the centering ring (340) is sleeved on the water containing bucket (400) and is positioned at one end of the water containing bucket (400) close to the ground.
6. The permeable concrete pavement permeability test method according to claim 4, wherein a sealing component (350) is arranged on the water containing bucket (400), the sealing component (350) comprises a sealing ring (351) and a supporting ring (352), the supporting ring (352) is arranged at one end, close to the ground, of the water containing bucket (400), the sealing ring (351) is sleeved on the supporting ring (352) and extends to one end, far away from the supporting ring (352), of the supporting ring (352), and the sealing ring (351) can be elastically deformed along the length direction of the water containing bucket (400).
7. The method for testing the water permeability of the permeable concrete pavement according to claim 6, wherein two graduated scales (500) are arranged, and the two graduated scales (500) are respectively positioned at two sides of the rotation direction of the water containing bucket (400).
8. The permeable concrete pavement permeability test method according to claim 7, wherein two scales (500) are slidably connected to the water tub (400) and slidably move along the length direction of the water tub (400), and one end of each scale (500) close to the sealing ring (351) is connected to the sealing ring (351) and slidably moves along with deformation of the sealing ring (351).
9. The method for testing the water permeability of the permeable concrete pavement according to claim 7, wherein a monitoring mechanism (600) is arranged on the graduated scale (500), the monitoring mechanism (600) comprises a processor (610), a temperature measuring piece (620), a timing piece (630) and a fixed point component (640), the processor (610) is arranged on the base (100), the temperature measuring piece (620) is arranged on the base (100) and transmits a temperature signal to the processor (610), the fixed point component (640) is arranged on the graduated scale (500), and the fixed point component (640) is used for monitoring the change of the water level and transmitting the water level signal to the processor (610); the timing element (630) is arranged on the base (100), and the timing element (630) is electrically connected with the fixed point component (640) and transmits a time signal to the processor (610) when the fixed point component (640) is triggered.
10. The method for testing the water permeability of the permeable concrete pavement according to claim 9, wherein the fixed point component (640) comprises a sensor (641) and a trigger piece (642), the trigger piece (642) floats on the water surface, a plurality of sensors (641) are arranged on the graduated scale (500) at equal intervals along the length direction of the graduated scale (500), and the sensor (641) sends a contact signal to the processor (610) when the trigger piece (642) passes through the sensor (641).
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